ENGINE PERFORMANCE – Mercedes-Benz S550 4Matic 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.5L

5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz S550 4Matic 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (1 of 5) for Mercedes-Benz S550 4Matic 2008:

• (front of left cylinder bank) left exhaust camshaft hall sensor
• (front of left cylinder bank) left intake camshaft hall sensor
• (top right front of engine) pressure sensor
• Check engine mil indicator
• Circuit relay
• Computer data lines system
• Crankshaft hall sensor
• Ev 1
• Ev 2
• Ev 3
• Ev 5
• Ev 8
• Front prefuse
• Front sam control module w/ fuse & relay module
• Fuse 200a mr2
• Fuse 7.5a
• Hot at all times
• Hot film maf sensor (center rear of engine)
• Instrument cluster
• Late production
• Left intake manifold tumble flap position sensor
• Left knock sensor 2 (under intake manifold)
• Left o2 sensor upstream twc (kat) (left rear of engine compt)
• Me-sfi (me) control unit (right rear of engine compt)
• Red
• Right intake manifold tumble flap position sensor
• Right knock sensor 1 (under intake manifold)
• Sig
• Throttle valve actuator (on throttle body assembly)

5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz S550 4Matic 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (2 of 5) for Mercedes-Benz S550 4Matic 2008:

• (not used)
• (top left front of engine) variable intake manifold switchover valve
• (under left front of vehicle) left o2 sensor downstream twc (kat)
• (under right front of vehicle) right o2 sensor downstream twc (kat)
• Ev 4
• Ev 6
• Ev 7
• Intake manifold tumble flap switchover valve
• Me-sfi (me) control unit (right rear of engine compt)
• Nca
• O s kw out
• Oil level switch
• Red
• Starting/ charging system

5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz S550 4Matic 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (3 of 5) for Mercedes-Benz S550 4Matic 2008:

• (top of engine, above each cylinder) fuel injectors
• Cylinder ignition coil 1 (top right side of engine)
• Cylinder ignition coil 2 (top right side of engine)
• Cylinder ignition coil 3 (top right side of engine)
• Cylinder ignition coil 4 (top right side of engine)
• Cylinder ignition coil 5 (top left side of engine)
• Cylinder ignition coil 6 (top left side of engine)
• Cylinder ignition coil 7 (top left side of engine)
• Cylinder ignition coil 8 (top left side of engine)
• Left camshaft intake solenoid
• Nca
• Radio interference suppression capacitor 1
• Radio interference suppression capacitor 2
• Red
• Right camshaft exhaust solenoid
• Right camshaft intake solenoid
• Spark plug
• W11w1
• W11w2

5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz S550 4Matic 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (4 of 5) for Mercedes-Benz S550 4Matic 2008:

• (top front of engine) air pump switchover valve
• (top front of engine) coolant temperature sensor
• Accelerator pedal sensor (top of accelerator pedal assembly)
• Fuel tank pressure sensor (in fuel tank)
• Heating system shutoff valve
• Power steering pump pressure regulator valve
• Red
• Right exhaust camshaft hall sensor
• Right intake camshaft hall sensor
• Right o2 sensor upstream twc (kat) (right rear of engine compt)
• Sig
• Three-disk thermostat valve

5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz S550 4Matic 2008

List of elements for 5.5L, Engine Performance Wiring Diagram (5 of 5) for Mercedes-Benz S550 4Matic 2008:

• (-)
• +5v
• 87 me1
• Aav
• Activated charcoal filter shutoff valve
• Air
• Air pump
• Can-c h
• Can-c l
• Can-e h
• Can-e l
• Computer data lines system
• Crash
• Egs
• Ekp
• Electric suction fan engine & ac w/ integrated control
• Front sam control module w/ fuse & relay module
• Fuel pump (under left rear of vehicle)
• Fuel pump relay module
• Fuse 7.5a
• Hot at all times
• Me-sfi (me) control unit (right rear of engine compt)
• Nca
• Purge control valve (left rear of engine compt)
• Pwg+
• Pwg1-0
• Pwg1-1
• Pwg2-0
• Pwg2-1
• Rear sam control module w/ fuse & relay module
• Red
• Sig
• Start
• W11w1
• W17/1 (under left rear seat)
• W34/1